>>> Is there any compression or what?
>>
>> Yes, there is:
>>
>> http://www.postgresql.org/docs/8.0/interactive/storage-toast.html
>
> thanks, is there any way to increase the limit, upper wich toast strategy
> is selected? By defaullt is Block_size/4 = about 2000 Bytes.
Dunno, but you can alter the column and go 'set storage' to control the
storage strategy for TOAST on the column...
Chris